elizabeth warren beat scott brown for the u.s. senate seat there. the democrats regained the seat that was held by the late ted kennedy for 47 years. warren will be the first woman to represent massachusetts in the senate. >>> democrats are holding on to a u.s. senate seat in missouri, thanks to controversy created by a republican challenger. todd akin lost to incumbent mccaskill. akin came under fire for comments he made he called legitimate rape. he said abortion should not be allowed in conception by rape. republicans called for him to drop out of that race. >>> tim kaine said he's determined to work with people on both sides of the aisle when he takes his seat in the u.s. senate. as julie carey reports now, his victory was likely changed by the demographics in the commonwealth. >> reporter: tim kaine had just started to celebrate his own victory when he was handed a piece of paper containing even more good news for virginia democrats. >> more than halfway there. nbc just called the presidential race for president obama. >> reporter: after last n